Elasmobranchii (sharks and rays) > Rajiformes
(Skates and rays) > Rajidae
Etymology: Raja: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335); mauritaniensis: Named for the geographic region of the type specimens; i.e. Mauritania, to acknowledge the intent by Capapé (1977) to name this skate based on its known distribution..
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 50 - 400 m (Ref. 4426). Subtropical; 38°N - 17°N
Eastern Atlantic: Mauritania and the southwestern Mediterranean Sea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 80.0 cm TL male/unsexed; (Ref. 4426)
Found in shelf and slope waters, depending on seasonal lower bottom water temperatures. Feeds on crustaceans and bony fishes (Ref. 3167). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Oviparous (Ref. 3167). Paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
White, W.T. and R. Fricke, 2021. Raja mauritaniensis: a replacement name for Raja africana Capapé, 1977 (Rajiformes: Rajidae), a junior homonym of Raja africana Bloch & Schneider, 1801 (Myliobatiformes: Dasyatidae). Zootaxa 4970(2):399-400. (Ref. 124211)
IUCN Red List Status (Ref. 125652)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 123201
): 13.5 - 17.4, mean 15.1 °C (based on 42 cells).
Phylogenetic diversity index (Ref. 82804
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00288 (0.00133 - 0.00624), b=3.24 (3.07 - 3.41), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245
Trophic level (Ref. 69278
): 4.0 ±0.65 se; based on food items.
Resilience (Ref. 120179
): Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153
): Moderate to high vulnerability (52 of 100).
Nutrients (Ref. 124155
): Calcium = 18.9 [3.2, 62.6] mg/100g ; Iron = 0.559 [0.173, 1.616] mg/100g ; Protein = 21 [18, 24] % ; Omega3 = 0.205 [0.063, 0.576] g/100g ; Selenium = 34.8 [7.4, 103.2] μg/100g ; VitaminA = 38.5 [11.8, 119.0] μg/100g ; Zinc = 0.978 [0.461, 2.463] mg/100g (wet weight);